Delete the original preferences folder inside Android/data/com.megacrit.cardcrawl/files/ .

If you want to know more about safely editing these game files: for different Android versions Template code for 100% completion files Troubleshooting cloud sync conflicts

To help narrow down the process for your specific device, let me know: What is your device running?

To unlock everything instantly in on Android, you must manually edit the game's internal JSON configuration files, as the Android port frequently suffers from a progression tracking bug that freezes card and relic unlocks. This method bypasses hundreds of hours of grinding by directly modifying the local file preferences.